211399755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 396361728

約数和(自身を除く): 184961973

約数列:

[1, 3, 5, 7, 15, 21, 35, 83, 105, 127, 191, 249, 381, 415, 573, 581, 635, 889, 955, 1245, 1337, 1743, 1905, 2667, 2865, 2905, 4011, 4445, 6685, 8715, 10541, 13335, 15853, 20055, 24257, 31623, 47559, 52705, 72771, 73787, 79265, 110971, 121285, 158115, 169799, 221361, 237795, 332913, 363855, 368935, 509397, 554855, 848995, 1106805, 1664565, 2013331, 2546985, 6039993, 10066655, 14093317, 30199965, 42279951, 70466585, 211399755]

約数ペア:

[(1, 211399755), (3, 70466585), (5, 42279951), (7, 30199965), (15, 14093317), (21, 10066655), (35, 6039993), (83, 2546985), (105, 2013331), (127, 1664565), (191, 1106805), (249, 848995), (381, 554855), (415, 509397), (573, 368935), (581, 363855), (635, 332913), (889, 237795), (955, 221361), (1245, 169799), (1337, 158115), (1743, 121285), (1905, 110971), (2667, 79265), (2865, 73787), (2905, 72771), (4011, 52705), (4445, 47559), (6685, 31623), (8715, 24257), (10541, 20055), (13335, 15853)]